git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@5854 35acf78f-673a-0410-8e92-d51de3d6d3f4

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diff --git a/os/hal/platforms/AT91SAM7/serial_lld.h b/os/hal/platforms/AT91SAM7/serial_lld.h
new file mode 100644
index 000000000..9b25b2be3
--- /dev/null
+++ b/os/hal/platforms/AT91SAM7/serial_lld.h
@@ -0,0 +1,191 @@
+/*

+    ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio

+

+    Licensed under the Apache License, Version 2.0 (the "License");

+    you may not use this file except in compliance with the License.

+    You may obtain a copy of the License at

+

+        http://www.apache.org/licenses/LICENSE-2.0

+

+    Unless required by applicable law or agreed to in writing, software

+    distributed under the License is distributed on an "AS IS" BASIS,

+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

+    See the License for the specific language governing permissions and

+    limitations under the License.

+*/

+

+/**

+ * @file    AT91SAM7/serial_lld.h

+ * @brief   AT91SAM7 low level serial driver header.

+ *

+ * @addtogroup SERIAL

+ * @{

+ */

+

+#ifndef _SERIAL_LLD_H_

+#define _SERIAL_LLD_H_

+

+#if HAL_USE_SERIAL || defined(__DOXYGEN__)

+

+/*===========================================================================*/

+/* Driver constants.                                                         */

+/*===========================================================================*/

+

+/*===========================================================================*/

+/* Driver pre-compile time settings.                                         */

+/*===========================================================================*/

+

+/**

+ * @brief   UART0 driver enable switch.

+ * @details If set to @p TRUE the support for USART1 is included.

+ * @note    The default is @p TRUE.

+ */

+#if !defined(USE_SAM7_USART0) || defined(__DOXYGEN__)

+#define USE_SAM7_USART0             TRUE

+#endif

+

+/**

+ * @brief   UART1 driver enable switch.

+ * @details If set to @p TRUE the support for USART2 is included.

+ * @note    The default is @p TRUE.

+ */

+#if !defined(USE_SAM7_USART1) || defined(__DOXYGEN__)

+#define USE_SAM7_USART1             TRUE

+#endif

+

+#if (SAM7_PLATFORM == SAM7A3)

+/**

+ * @brief   UART2 driver enable switch.

+ * @details If set to @p TRUE the support for USART3 is included.

+ * @note    The default is @p TRUE.

+ */

+#if !defined(USE_SAM7_USART2) || defined(__DOXYGEN__)

+#define USE_SAM7_USART2             TRUE

+#endif

+#endif /* (SAM7_PLATFORM == SAM7A3) */

+

+/**

+ * @brief   DBGU UART driver enable switch.

+ * @details If set to @p TRUE the support for the DBGU UART is included.

+ * @note    The default is @p TRUE.

+ */

+#if !defined(USE_SAM7_DBGU_UART) || defined(__DOXYGEN__)

+#define USE_SAM7_DBGU_UART          TRUE

+#endif

+

+/**

+ * @brief   UART1 interrupt priority level setting.

+ */

+#if !defined(SAM7_USART0_PRIORITY) || defined(__DOXYGEN__)

+#define SAM7_USART0_PRIORITY        (AT91C_AIC_PRIOR_HIGHEST - 2)

+#endif

+

+/**

+ * @brief   UART2 interrupt priority level setting.

+ */

+#if !defined(SAM7_USART1_PRIORITY) || defined(__DOXYGEN__)

+#define SAM7_USART1_PRIORITY        (AT91C_AIC_PRIOR_HIGHEST - 2)

+#endif

+

+#if (SAM7_PLATFORM == SAM7A3)

+/**

+ * @brief   UART2 interrupt priority level setting.

+ */

+#if !defined(SAM7_USART2_PRIORITY) || defined(__DOXYGEN__)

+#define SAM7_USART2_PRIORITY        (AT91C_AIC_PRIOR_HIGHEST - 2)

+#endif

+#endif /* (SAM7_PLATFORM == SAM7A3) */

+

+/**

+ * @brief   DBGU_UART interrupt priority level setting.

+ */

+#if !defined(SAM7_DBGU_UART_PRIORITY) || defined(__DOXYGEN__)

+#define SAM7_DBGU_UART_PRIORITY        (AT91C_AIC_PRIOR_HIGHEST - 2)

+#endif

+

+/*===========================================================================*/

+/* Derived constants and error checks.                                       */

+/*===========================================================================*/

+

+/*===========================================================================*/

+/* Driver data structures and types.                                         */

+/*===========================================================================*/

+

+/**

+ * @brief   AT91SAM7 Serial Driver configuration structure.

+ * @details An instance of this structure must be passed to @p sdStart()

+ *          in order to configure and start a serial driver operations.

+ */

+typedef struct {

+  /**

+   * @brief   Bit rate.

+   * @details This is written to the US_BRGR register of the appropriate AT91S_USART

+   */

+  uint32_t                  sc_speed;

+  /**

+   * @brief   Initialization value for the MR register.

+   * @details This is written to the US_MR register of the appropriate AT91S_USART

+   */

+  uint32_t                  sc_mr;

+} SerialConfig;

+

+/**

+ * @brief   @p SerialDriver specific data.

+ */

+#define _serial_driver_data                                                 \

+  _base_asynchronous_channel_data                                           \

+  /* Driver state.*/                                                        \

+  sdstate_t                 state;                                          \

+  /* Input queue.*/                                                         \

+  InputQueue                iqueue;                                         \

+  /* Output queue.*/                                                        \

+  OutputQueue               oqueue;                                         \

+  /* Input circular buffer.*/                                               \

+  uint8_t                   ib[SERIAL_BUFFERS_SIZE];                        \

+  /* Output circular buffer.*/                                              \

+  uint8_t                   ob[SERIAL_BUFFERS_SIZE];                        \

+  /* End of the mandatory fields.*/                                         \

+  /* Pointer to the USART registers block.*/                                \

+  AT91PS_USART              usart;

+

+/*===========================================================================*/

+/* Driver macros.                                                            */

+/*===========================================================================*/

+

+/*===========================================================================*/

+/* External declarations.                                                    */

+/*===========================================================================*/

+

+#if USE_SAM7_USART0 && !defined(__DOXYGEN__)

+extern SerialDriver SD1;

+#endif

+#if USE_SAM7_USART1 && !defined(__DOXYGEN__)

+extern SerialDriver SD2;

+#endif

+#if (SAM7_PLATFORM == SAM7A3)

+#if USE_SAM7_USART2 && !defined(__DOXYGEN__)

+extern SerialDriver SD3;

+#endif

+#endif

+#if USE_SAM7_DBGU_UART

+extern SerialDriver SDDBG;

+#endif

+

+#ifdef __cplusplus

+extern "C" {

+#endif

+  void sd_lld_init(void);

+  void sd_lld_start(SerialDriver *sdp, const SerialConfig *config);

+  void sd_lld_stop(SerialDriver *sdp);

+#if USE_SAM7_DBGU_UART

+  void sd_lld_serve_interrupt(SerialDriver *sdp);

+#endif

+#ifdef __cplusplus

+}

+#endif

+

+#endif /* HAL_USE_SERIAL */

+

+#endif /* _SERIAL_LLD_H_ */

+

+/** @} */